Bug ID 2227661: Sys variable db tm.fw.defaultaction is honor when AFM is not provisioned

Last Modified: Feb 23, 2026

Affected Product(s):
BIG-IP AFM(all modules)

Known Affected Versions:
17.1.3.1

Opened: Feb 23, 2026

Severity: 4-Minor

Symptoms

Connections are dropped due to sys db variable tm.fw.defaultaction is set to drop when AFM is not provisioned.

Impact

Connections are dropped due to sys db variable tm.fw.defaultaction is set to drop when AFM is not provisioned.

Conditions

-- LTM+ASM provisioned, AFM not provisioned -- set "db tm.fw.defaultaction" to drop -- send test traffic through a virutal server on the BIG-IP system

Workaround

Reset tm.fw.defaultaction to default value(accept): tmsh modify sys db tm.fw.defaultaction value default

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips